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Step * of Lemma int_formula_prop_not_lemma

∀x,f:Top.  (int_formula_prop(f;"¬"x) ~ ¬int_formula_prop(f;x))
BY
{ (UnivCD THENA Auto) }

1
1. x : Top@i
2. f : Top@i
⊢ int_formula_prop(f;"¬"x) ~ ¬int_formula_prop(f;x)

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Latex:

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Latex:
\mforall{}x,f:Top.    (int\_formula\_prop(f;"\mneg{}"x)  \msim{}  \mneg{}int\_formula\_prop(f;x))


By

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Latex:
(UnivCD  THENA  Auto)

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